https://community.esri.com/t5/arcgis-pro-questions/converting-ellipsoid-height-to-orthometric-height/m-p/1581528#M92640 <P>I am also looking for guidance on converting ellipsoid elevation (GPS points) to orthometric elevation (NAVD88) within the ESRI ecosystem.&nbsp;</P><P>It seems like there has to be an established standard of practice for this common field data collection task.&nbsp;</P> Mon, 03 Feb 2025 21:40:52 GMT idcrickmore 2025-02-03T21:40:52Z https://community.esri.com/t5/arcgis-pro-questions/converting-ellipsoid-height-to-orthometric-height/m-p/1548383#M89143 <P>I would like to convert ellipsoid height to orthometric height using the Project Tool in the Geoprocessing toolbox.</P><P>I have a GEOID file with the extension .dat.</P><P>Can the Project Tool be applied to convert from ellipsoid height to orthometric height, and also to transform coordinates from WGS to KSA-GRF17?</P> Mon, 14 Oct 2024 10:40:10 GMT https://community.esri.com/t5/arcgis-pro-questions/converting-ellipsoid-height-to-orthometric-height/m-p/1548383#M89143 MohammedAlkherallah 2024-10-14T10:40:10Z https://community.esri.com/t5/arcgis-pro-questions/converting-ellipsoid-height-to-orthometric-height/m-p/1581528#M92640 <P>I am also looking for guidance on converting ellipsoid elevation (GPS points) to orthometric elevation (NAVD88) within the ESRI ecosystem.&nbsp;</P><P>It seems like there has to be an established standard of practice for this common field data collection task.&nbsp;</P> Mon, 03 Feb 2025 21:40:52 GMT https://community.esri.com/t5/arcgis-pro-questions/converting-ellipsoid-height-to-orthometric-height/m-p/1581528#M92640 idcrickmore 2025-02-03T21:40:52Z